I am a HUGE fan of the old Ibanez UE-303B, AF201, and AF9. I have owned over a dozen auto-filters, including an original Mutron 3 and a Meatball, and I always go back to the Ibanez for its solid functionality and fat, fat tone.

I am a HUGE fan of the old Ibanez UE-303B, AF201, and AF9. I have owned over a dozen auto-filters, including an original Mutron 3 and a Meatball, and I always go back to the Ibanez for its solid functionality and fat, fat tone.

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I also have a UE-303B and a recent Maxon AF-9. Big-sounding but very articulate. Good for both Bootsy-style wahs or more Laswell-like dub tone. I prefer them to the other filters I've had (DOD FX25/FX25B, Boss T-Wah, DigiTech BassSynthWah, BassBalls).

The one reissue MuTron I tried was very noisy. I like the EH Q-Tron/+ but didn't feel like buying them new. I'd love to try a MeatBall someday but they're quite $$. The compressor on the UE303B is great for getting your filtered tone as punchy as possible without destroying your speakers.

Maxon AF9 auto filter, i use it for all types of gigs/styles , its really solid and realiable, only thing is there is no volume control and a little volume boost when you click it on, but this is a small fault as there is no other pedal thats sounds anywhere near as good unless you can source an original mutron 3.